I ran the following code in order to create a simple presentation.

    %\setbeamertemplate{navigation symbols}{}


But, I got the following error.

Sorry, but pdflatex.exe did not succeed. The log file hopefully contains the information to get MiKTeX going again: C:/Users/AA/AppData/Local/MiKTeX/2.9/miktex/log/pdflatex.log You may want to visit the MiKTeX project page, if you need help.

Error: Command crashed: pdflatex.exe -synctex=1 -interaction=nonstopmode "texstudio_TW8220".tex

Process exited with error(s)

I clicked the C:/Users/AA/AppData/Local/MiKTeX/2.9/miktex/log/pdflatex.log and it includes the following writings. 2018-04-23 17:47:29,008+0300 INFO pdflatex - mpm: extracting files from beamer.tar.lzma... 2018-04-23 17:47:32,549+0300 FATAL pdflatex - The installed file does not exist. 2018-04-23 17:47:32,549+0300 FATAL pdflatex - Info: fileName="C:\Program Files\MiKTeX 2.9\tex\latex\beamer\translator\translator.sty" 2018-04-23 17:47:32,549+0300 FATAL pdflatex - Source: Libraries\MiKTeX\Core\Session\findfile.cpp 2018-04-23 17:47:32,549+0300 FATAL pdflatex - Line: 55 2018-04-23 17:47:32,550+0300 INFO pdflatex - finishing with exit code 1

How can I solve the problem?

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